Evaluate the expression. r = <9, -7, -1>, v = <2, 2, -2>, w = vw -26 1 Determine whether the vectors u and v

Evaluate the expression.

r = <9, -7, -1>, v = <2, 2, -2>, w = <-5, -2, 6>

vw

<-18, 14, -2>

-26

1

<-10, -4, -12>

Determine whether the vectors u and v are parallel, orthogonal, or neither.

u = <3, 0>, v = <0, -6>

Orthogonal

Neither

Parallel

Find the angle between the given vectors to the nearest tenth of a degree.

u = <8, 4>, v = <9, -9>

81.6

25.8

35.8

71.6

Find ab.

a = 6i - 6j, b = 4i + 2j

12

-36

<24, -12>

<10, -4>